Environment & Ecology · Environmental Science
The Keeling Curve is a famous scientific graph that represents continuous records of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Global mean surface temperature increase
- 2Global biodiversity decline
- 3Global atmospheric carbon dioxide (CO2) concentration over time✓
- 4Stratospheric ozone depletion over the Antarctic
Correct answer
Global atmospheric carbon dioxide (CO2) concentration over time
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